Is there a problem with cylinder 6 deactivation?
If any of the cylinders before cylinder 6 are having problems with deactivation, their issues should be resolved first, as should any other related codes. After dealing with any other codes of this kind, the mechanic will then check the oil pressure and the levels of oil in the engine.
What is the diagnostic code for cylinder 1?
P3401 is a diagnostic trouble code (DTC) for “Cylinder 1 Deactivation Intake Valve Control Circuit Open”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
How does the engine control module ( ECM ) work?
The engine control module controls the 4 or 8 cylinder modes of the engine by controlling the intake deactivating solenoids for four of the engine cylinders. The ECM can detect each of the four solenoids individually for shorts, open circuits, or high resistance.
When to use an OBD-II code for cylinder 6?
If a P3441 code is detected, the mechanic will need to use an OBD-II scanner to read it and any other codes that the PCM has stored. If any of the cylinders before cylinder 6 are having problems with deactivation, their issues should be resolved first, as should any other related codes.
What is the code for cylinder 7 deactivation?
When the ECM detects improper voltage or resistance within the cylinder 7 deactivation/intake valve control circuit, code P3449 will be set and the check engine light, service engine soon light or both may be illuminated.
How does the cylinder deactivation system work in a Honda?
To provide maximum fuel economy under light load driving conditions, the Engine Control Module (ECM) will command the cylinder deactivation system ON to deactivate engine cylinders 1 and 7 on the left bank, and cylinders 4 and 6 on the right bank, switching to a V4 mode.
P3401 is a diagnostic trouble code (DTC) for “Cylinder 1 Deactivation Intake Valve Control Circuit Open”. This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation.
Where is the number one cylinder deactivation solenoid located?
This code pertains to the number 7 cylinder and the other three cylinders in this process are determined by the engine configuration and the firing order of the cylinders. The number one cylinder deactivation solenoid is mounted on or near the intake in the vicinity of that cylinder based of the specific vehicle and the configuration.